leader
noun
1.
a person or thing that leads.
2.
a guiding or directing head, as of an army, movement, or political group.
3.
Music.
a conductor or director, as of an orchestra, band, or chorus.
the player at the head of the first violins in an orchestra, the principal cornetist in a band, or the principal soprano in a chorus, to whom any incidental solos are usually assigned.
4.
a featured article of trade, especially one offered at a low price to attract customers.
Compare loss leader.
5.
Journalism.
leading article (def 1).
Also called leading article. British. the principal editorial in a newspaper.
6.
blank film or tape at the beginning of a length of film or magnetic tape, used for threading a motion-picture camera, tape recorder, etc.
Compare trailer (def 6).
7.
Angling.
a length of nylon, silkworm gut, wire, or the like, to which the lure or hook is attached.
the net used to direct fish into a weir, pound, etc.
Also described as bowl shaped or vase shaped, an open-center tree has no central leader.
Central- leader training is ideal for smaller and medium-size trees.
Both sweet and sour cherries can be trained to a central leader or modified central leader.